Optical illusions play tricks ... The Asahi illusion of brightness is one of many illusions created by Akiyoshi Kitaoka, a professor of psychology at Ritsumeikan University in Japan.

RECENT articles 1–3 in Nature have discussed the explanation of optical illusions and, in particular, Gregory's theory of constancy scaling. According to this theory, illusions are produced in ...

There is a mathematical side to optical illusions. One professor studies ... common approaches of studying illusion such as human psychology and cognition, Sugihara has taken a mathematical ...